1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2#ifndef __HDLC_IOCTL_H__
3#define __HDLC_IOCTL_H__
4
5
6#define GENERIC_HDLC_VERSION 4 /* For synchronization with sethdlc utility */
7
8#define CLOCK_DEFAULT 0 /* Default setting */
9#define CLOCK_EXT 1 /* External TX and RX clock - DTE */
10#define CLOCK_INT 2 /* Internal TX and RX clock - DCE */
11#define CLOCK_TXINT 3 /* Internal TX and external RX clock */
12#define CLOCK_TXFROMRX 4 /* TX clock derived from external RX clock */
13
14
15#define ENCODING_DEFAULT 0 /* Default setting */
16#define ENCODING_NRZ 1
17#define ENCODING_NRZI 2
18#define ENCODING_FM_MARK 3
19#define ENCODING_FM_SPACE 4
20#define ENCODING_MANCHESTER 5
21
22
23#define PARITY_DEFAULT 0 /* Default setting */
24#define PARITY_NONE 1 /* No parity */
25#define PARITY_CRC16_PR0 2 /* CRC16, initial value 0x0000 */
26#define PARITY_CRC16_PR1 3 /* CRC16, initial value 0xFFFF */
27#define PARITY_CRC16_PR0_CCITT 4 /* CRC16, initial 0x0000, ITU-T version */
28#define PARITY_CRC16_PR1_CCITT 5 /* CRC16, initial 0xFFFF, ITU-T version */
29#define PARITY_CRC32_PR0_CCITT 6 /* CRC32, initial value 0x00000000 */
30#define PARITY_CRC32_PR1_CCITT 7 /* CRC32, initial value 0xFFFFFFFF */
31
32#define LMI_DEFAULT 0 /* Default setting */
33#define LMI_NONE 1 /* No LMI, all PVCs are static */
34#define LMI_ANSI 2 /* ANSI Annex D */
35#define LMI_CCITT 3 /* ITU-T Annex A */
36#define LMI_CISCO 4 /* The "original" LMI, aka Gang of Four */
37
38#ifndef __ASSEMBLY__
39
40typedef struct {
41 unsigned int clock_rate; /* bits per second */
42 unsigned int clock_type; /* internal, external, TX-internal etc. */
43 unsigned short loopback;
44} sync_serial_settings; /* V.35, V.24, X.21 */
45
46typedef struct {
47 unsigned int clock_rate; /* bits per second */
48 unsigned int clock_type; /* internal, external, TX-internal etc. */
49 unsigned short loopback;
50 unsigned int slot_map;
51} te1_settings; /* T1, E1 */
52
53typedef struct {
54 unsigned short encoding;
55 unsigned short parity;
56} raw_hdlc_proto;
57
58typedef struct {
59 unsigned int t391;
60 unsigned int t392;
61 unsigned int n391;
62 unsigned int n392;
63 unsigned int n393;
64 unsigned short lmi;
65 unsigned short dce; /* 1 for DCE (network side) operation */
66} fr_proto;
67
68typedef struct {
69 unsigned int dlci;
70} fr_proto_pvc; /* for creating/deleting FR PVCs */
71
72typedef struct {
73 unsigned int dlci;
74 char master[IFNAMSIZ]; /* Name of master FRAD device */
75}fr_proto_pvc_info; /* for returning PVC information only */
76
77typedef struct {
78 unsigned int interval;
79 unsigned int timeout;
80} cisco_proto;
81
82typedef struct {
83 unsigned short dce; /* 1 for DCE (network side) operation */
84 unsigned int modulo; /* modulo (8 = basic / 128 = extended) */
85 unsigned int window; /* frame window size */
86 unsigned int t1; /* timeout t1 */
87 unsigned int t2; /* timeout t2 */
88 unsigned int n2; /* frame retry counter */
89} x25_hdlc_proto;
90
91/* PPP doesn't need any info now - supply length = 0 to ioctl */
92
93#endif /* __ASSEMBLY__ */
94#endif /* __HDLC_IOCTL_H__ */